The singing of the national anthem by San Antonio’s Sebastien De La Cruz at Game 3 between the Spurs and the Heat caused a stir on Twitter, but not because the singer goofed the lyrics. In fact, Express-News NBA Beat Writer Mike Monroe said it was “boffo.

.” Mike Monroe: Sebastian De La Cruz belts out a boffo national anthem at ATT Center.

However, many on the social media site aimed racist remarks at San Antonio’s tiny mariachi. That led to a strong reaction from others who were outraged by the criticism of De La Cruz.

De La Cruz, who was actually a last-minute replacement for former Hootie & the Blowfish front man Darius Rucker on Tuesday night